/Engine/Source/Runtime/CoreUObject/Public/UObject/Linker.h
Gets the class name for the specified PackageIndex.
Class name of the export at specified PackageIndex if the PackageIndex is non-null. Otherwise NAME_None
[FName](API\Runtime\Core\UObject\FName) GetClassName ( [FPackageIndex](API\Runtime\CoreUObject\UObject\FPackageIndex) PackageIndex )